McDewey

C H A P T E R 1 New and Changed Information • New and Changed Information, on page 1 New and Changed Information The following table provides an overview of the significant changes to the features in this guide up to this current release. The table does not provide an exhaustive list of all changes made to the guide or of the new features up to this release. Table 2: New Features and Changed Behavior in Unified Communications Manager and IM and Presence Service See Description Date FIPS Setup, on page 241 FIPS tool kit update February 05, 2026 • Self-Signed Certificate Fields, on page 52 • Certificate Revocation Configuration, on page 64 Certificate Management Changes July 31, 2025 Enable FIPS 140-2 Mode, on page 243 IPSec DH Group Changes • Recommended Ciphers, on page 115 • Cipher Limitations, on page 119 • Cipher Restrictions, on page 127 Updates to Cipher Management Page Security Guide for Cisco Unified Communications Manager, Release 15 and SUs 1